diff --git a/src/kits/interface/Bitmap.cpp b/src/kits/interface/Bitmap.cpp
index 799eec5fdb..2f9a7d20c4 100644
--- a/src/kits/interface/Bitmap.cpp
+++ b/src/kits/interface/Bitmap.cpp
@@ -349,9 +349,6 @@ BBitmap::Archive(BMessage *data, bool deep) const
 		}
 	}
 
-	if (ret == B_OK)
-		ret = data->AddString("class", "BBitmap");
-	
 	return ret;
 }
 
diff --git a/src/kits/interface/PictureButton.cpp b/src/kits/interface/PictureButton.cpp
index 780de69890..25085f8a94 100644
--- a/src/kits/interface/PictureButton.cpp
+++ b/src/kits/interface/PictureButton.cpp
@@ -79,11 +79,6 @@ BPictureButton::Archive(BMessage *data, bool deep) const
 	if (err != B_OK)
 		return err;
 
-	// Do we need this?  Good practice!
-	err = data->AddString("class", "BPictureButton");
-	if (err != B_OK)
-		return err;
-
 	// Fill out message, depending on whether a deep copy is required or not.
 	if (deep) {
 		BMessage pictureArchive;
diff --git a/src/kits/interface/View.cpp b/src/kits/interface/View.cpp
index 83f7861d00..64321dab11 100644
--- a/src/kits/interface/View.cpp
+++ b/src/kits/interface/View.cpp
@@ -507,9 +507,6 @@ BView::Archive(BMessage *data, bool deep) const
 		}
 	}
 
-	if (ret == B_OK)
-		ret = data->AddString("class", "BView");
-
 	return ret;
 }
 
diff --git a/src/kits/interface/Window.cpp b/src/kits/interface/Window.cpp
index 0d69c38d9e..e0fef3431c 100644
--- a/src/kits/interface/Window.cpp
+++ b/src/kits/interface/Window.cpp
@@ -458,9 +458,6 @@ BWindow::Archive(BMessage* data, bool deep) const
 		}
 	}
 
-	if (ret == B_OK)
-		ret = data->AddString("class", "BWindow");
-
 	return ret;
 }